{"airworthiness_class":"Standard","airworthiness_date":"1975-06-25","airworthiness_ops":"Normal","category":"conventional","cert_issue_date":"1978-09-29","city":"TIOGA","country_code":"US","county_code":"105","cruise_speed_mph":75,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"41516","engine_horsepower":175,"engine_maker":"LYCOMING","engine_model":"0-435","engine_thrust_lb":0,"expiration_date":"2028-05-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-05-12","maker":"Hiller","maker_country":null,"maker_raw":"HILLER","maker_segment":null,"mfr_mdl_code":"4360118","mode_s_code":"51342207","mode_s_hex":"A5C487","model":"UH-12D","n_number":"N47077","name":"KNUTSON FLYING SERVICE INC","num_engines":1,"other_names":"","plain_english":"N47077 is a Hiller UH-12D, a rotorcraft with turboshaft engines (a helicopter or multicopter), built in 1957. It has 4 seats. It is registered to Knutson Flying Service INC, a corporation in Tioga, North Dakota. The registration is valid: it was issued on September 29, 1978 and expires on May 31, 2028. It holds a standard airworthiness certificate for normal, dated June 25, 1975.","region":"Great Lakes","region_code":"C","registrant_type":"Corporation","registrant_type_code":"3","seats":4,"serial_number":"947","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"ND","status":"Valid registration","status_code":"V","status_short":"Valid","street":"PO BOX 333","street2":"","type_aircraft":"Rotorcraft","type_aircraft_code":"6","type_engine":"Turboshaft","type_engine_code":"3","unique_id":"00953424","url":"https://staging.data.eflight.com/aircraft/N47077","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1957,"zip":"58852"}